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The historic Whitney Mansion
Levin Energy Partners

The 123-year old Whitney Mansion wastes a lot of electricity. But now the Detroit icon is going green. Let's just hope the ghost living there is okay with it.

Tracy Samilton / Michigan Radio

The U.S. EPA estimates that companies in Michigan waste up to a third of the energy they buy because of inefficient buildings and equipment.

But most of the companies just keep paying those high energy bills, month after month, because they can't make a business case for a big energy efficiency project. The payback for the upgrades takes too long – often ten or more years.

Andy Levin is the CEO of Lean and Green Michigan.